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  4. The solubility of a gas is directly proportional to the pressure of the gas. This statement is based on:

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Q. The solubility of a gas is directly proportional to the pressure of the gas. This statement is based on:

Haryana PMTHaryana PMT 2000

Solution:

Henry's law states that at a constant temperature, the solubility of a gas is directly proportional to the pressure of the gas.
In other words, The partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas (x) in the solution.
$p = K _{ H } x$
Here, $K_{H}$ is the Henry's law constant.
Hence, the given statement is Henry's law.